diff options
author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-16 16:56:35 -0700 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-16 16:56:35 -0700 |
commit | 2b0460b534f383eca744eb8fff66ec9f57e702b9 (patch) | |
tree | 1bf4b9d0ebccd3083da4de7e4273b8d29f5d5c5d /drivers/ide/setup-pci.c | |
parent | d91f5bb69adde86173071cf7fffbdf705ae8c6e7 (diff) | |
parent | b02fcae007ac64012806bc57054e7fee6e2ffe5e (diff) |
Merge master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6: (33 commits)
amd74xx: remove /proc/ide/amd74xx
amd74xx/via82cxxx: don't initialize drive->dn
sis5513: remove /proc/ide/sis
ide: remove CONFIG_IDEDMA_ONLYDISK
ide: add "hdx=nodma" kernel parameter
ide: remove hwif->autodma and drive->autodma
ide: remove "idex=dma" kernel parameter
ide: remove CONFIG_BLK_DEV_IDEDMA_FORCED
ide: use PCI_VDEVICE() macro
sis5513: clear prefetch and postwrite for ATAPI devices
it8213/piix/slc90e66: "de-couple" PIO and UDMA modes
ide: unexport noautodma
ide: unexport ide_tune_dma
ide: remove ->ide_dma_check (take 2)
ide-pmac: add PIO autotune fallback to ->ide_dma_check
ide-cris: add PIO autotune fallback to ->ide_dma_check
sl82c105: add PIO autotune fallback to ->ide_dma_check
cs5530/sc1200: add PIO autotune fallback to ->ide_dma_check
ide: remove ide_use_fast_pio()
ide: remove drive->init_speed zeroing
...
Diffstat (limited to 'drivers/ide/setup-pci.c')
-rw-r--r-- | drivers/ide/setup-pci.c | 48 |
1 files changed, 3 insertions, 45 deletions
diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c index 1129f8c30840..3d101f73f910 100644 --- a/drivers/ide/setup-pci.c +++ b/drivers/ide/setup-pci.c @@ -145,27 +145,13 @@ static int ide_setup_pci_baseregs (struct pci_dev *dev, const char *name) } #ifdef CONFIG_BLK_DEV_IDEDMA_PCI - -#ifdef CONFIG_BLK_DEV_IDEDMA_FORCED -/* - * Long lost data from 2.0.34 that is now in 2.0.39 - * - * This was used in ./drivers/block/triton.c to do DMA Base address setup - * when PnP failed. Oh the things we forget. I believe this was part - * of SFF-8038i that has been withdrawn from public access... :-(( - */ -#define DEFAULT_BMIBA 0xe800 /* in case BIOS did not init it */ -#define DEFAULT_BMCRBA 0xcc00 /* VIA's default value */ -#define DEFAULT_BMALIBA 0xd400 /* ALI's default value */ -#endif /* CONFIG_BLK_DEV_IDEDMA_FORCED */ - /** * ide_get_or_set_dma_base - setup BMIBA * @hwif: Interface * - * Fetch the DMA Bus-Master-I/O-Base-Address (BMIBA) from PCI space: - * If need be we set up the DMA base. Where a device has a partner that - * is already in DMA mode we check and enforce IDE simplex rules. + * Fetch the DMA Bus-Master-I/O-Base-Address (BMIBA) from PCI space. + * Where a device has a partner that is already in DMA mode we check + * and enforce IDE simplex rules. */ static unsigned long ide_get_or_set_dma_base (ide_hwif_t *hwif) @@ -173,12 +159,6 @@ static unsigned long ide_get_or_set_dma_base (ide_hwif_t *hwif) unsigned long dma_base = 0; struct pci_dev *dev = hwif->pci_dev; -#ifdef CONFIG_BLK_DEV_IDEDMA_FORCED - int second_chance = 0; - -second_chance_to_dma: -#endif /* CONFIG_BLK_DEV_IDEDMA_FORCED */ - if (hwif->mmio) return hwif->dma_base; @@ -192,26 +172,6 @@ second_chance_to_dma: } } -#ifdef CONFIG_BLK_DEV_IDEDMA_FORCED - /* FIXME - should use pci_assign_resource surely */ - if ((!dma_base) && (!second_chance)) { - unsigned long set_bmiba = 0; - second_chance++; - switch(dev->vendor) { - case PCI_VENDOR_ID_AL: - set_bmiba = DEFAULT_BMALIBA; break; - case PCI_VENDOR_ID_VIA: - set_bmiba = DEFAULT_BMCRBA; break; - case PCI_VENDOR_ID_INTEL: - set_bmiba = DEFAULT_BMIBA; break; - default: - return dma_base; - } - pci_write_config_dword(dev, 0x20, set_bmiba|1); - goto second_chance_to_dma; - } -#endif /* CONFIG_BLK_DEV_IDEDMA_FORCED */ - if (dma_base) { u8 simplex_stat = 0; dma_base += hwif->channel ? 8 : 0; @@ -478,8 +438,6 @@ static void ide_hwif_setup_dma(struct pci_dev *dev, ide_pci_device_t *d, ide_hwi * Set up BM-DMA capability * (PnP BIOS should have done this) */ - /* default DMA off if we had to configure it here */ - hwif->autodma = 0; pci_set_master(dev); if (pci_read_config_word(dev, PCI_COMMAND, &pcicmd) || !(pcicmd & PCI_COMMAND_MASTER)) { printk(KERN_ERR "%s: %s error updating PCICMD\n", |